view src/main/java/org/openjdk/gcbench/tests/UnderPressureAsyncTest.java @ 88:583fef4276f5

Update license and copyright headers.
author shade
date Wed, 22 Nov 2017 15:58:02 +0100
parents 0cb1442be9d6
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/*
 * Copyright (c) 2017, Red Hat Inc. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package org.openjdk.gcbench.tests;

import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;


@Fork(jvmArgsAppend = {"--add-opens", "java.base/jdk.internal.misc=ALL-UNNAMED"})
@State(Scope.Benchmark)
public class UnderPressureAsyncTest {

    SuperAllocator allocator;

    @Setup
    public void setup(Blackhole bh) {
        allocator = new SuperAllocator(bh);
        allocator.start();
    }

    @TearDown
    public void tearDown() throws InterruptedException {
        allocator.interrupt();
        allocator.join();
    }

    public class SuperAllocator extends Thread {
        private final Blackhole bh;

        public SuperAllocator(Blackhole bh) {
            this.bh = bh;
        }

        @Override
        public void run() {
            while (!Thread.interrupted()) {
                bh.consume(AllocUninit.alloc(1000));
            }
        }
    }

}